Intel Core i7-1065G7 vs i7-8665U – the mighty one has fallen

We decided that it will be a good idea to compare one of the fastest Ice Lake CPU with the top dog from the Whiskey Lake generation. That’s why today the Core i7-1065G7 and i7-8665U are on the “arena” to show us which one is better and why. We are curious to see if the i7-8665U can squeeze something from its higher frequencies against the performance of a modern 10nm CPU like i7-1065G7.

So, Ice lake vs Whiskey Lake – there you go.

Quick Specs

Intel is asking $426 for the i7-1065G7 and $409 for i7-8665U (those are bulk prices for 1000 units) – that’s 4% difference which is almost nothing in this price range. Both contenders are 4-core / 8-thread CPUs with 8MB cache size. The i7-1065G7 has a lower base and boost frequencies when compared to i7-8665U – 1.30 GHz – 3.90 GHz vs 1.90 – 4.80 GHz. The TDP levels of the two processors are almost the same – the Ice lake one has a bit higher TDP-down value. The i7-1065G7 has the upper hand with its memory supported frequencies – DDR4-3200, LPDDR4-3733, and we have DDR4-2400, LPDDR3-2133 for the older CPU.

The Core i7-1065G7 has an Intel Iris Plus G7 iGPU while the i7-8665U is equipped with UHD 620.

More detailed specs here – Intel Core i7-1065G7 / Intel Core i7-8665U

Quick specs table:

Intel Core i7-1065G7Intel Core i7-8665U
Cores / Threads4 / 84 / 8
Base / Max frequency1.30 – 3.90 GHz1.90 – 4.80 GHz
Cache8 MB Intel Smart Cache8 MB Intel Smart Cache
TDP / up / down15W / 25W / 12W15W / 25W / 10W
Memory supportDDR4-3200, LPDDR4-3733DDR4-2400, LPDDR3-2133

CPU Benchmarks

No matter its much higher frequencies, the i7-8665U is slower here – the i7-1065G7 is 14% faster.

Results are from the Cinebench 20 CPU test (the higher the score, the better)

Results are from our Photoshop benchmark test (the lower the score, the better)


GPU Benchmarks

That probably hurts – Intel Iris Plus G4 is 45% faster than UHD 620. Another win for the i7-1065G7.

Intel Iris Plus G7Intel UHD 620Difference
3DMark Firestrike1731119645%

Verdict

Not much is left to say after the results above. The i7-1065G7 is just 4% more expensive but it’s a 10nm CPU with lower heat dissipation, 14% better CPU performance and it has 45% faster iGPU. No matter the load – daily tasks like Web browsing, watching Youtube content, photo and video editing, or playing light games – the Ice Lake CPU is a much better choice.

There is no point in buying a laptop with the i7-8665U – it’s slower in every aspect when compared to i7-1065G7. The Whiskey Lake king is still a fast CPU but it looks expensive when you see its performance and the price tag of the machines configured whit it. The only good reason to buy it will be a significant price cut.

So, the mighty one has fallen – the i7-1065G7 is a much better choice.

All laptops with Core i7-1065G7:


All laptops with Core i7-8665U:

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